Amateur radio transmitters do NOT typically exhibit a source Z of 50 ohms at
rated power or any other power.

A conjugate match does NOT exist. It cannot play any part in transmitter
design.

Actual source Z, whatever its value, appears purely by chance AFTER the
design has been completed.

Even the designer doesn't know what value it might turn out to be. And the
amateur radio transmitter user couldn't care two hoots what it is.

I thought this had all been settled a few years back. But no! It seems the
Old Wives are still plagiarising each other.
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Reg